The client is a leading Energy Company
-Purpose:
The aim is to extend and upgrade five existing high-voltage (HV) electrical substations as a turnkey project.
This technical service will be carried out in Nigeria. This location could be changed according to the progress of the work and the project needs.
The HV Circuit Breaker Specialist (132 kV and 330 kV) shall be moved to one of the Substation sites
Main Goals
-Represent 132 kV and 330 kV circuit breaker installation, testing and commissioning activities.
-Ensure safe and compliant installation, testing and commissioning of HV circuit breakers.
-Support Ready for Commissioning (RFC) and Energization.
-Coordinate installation and commissioning interfaces with HV, P&C and Customer teams.
-Deliver reliable and fully documented commissioned circuit breakers.
-Review installation, testing and commissioning procedures, drawings and vendor documentation.
-Supervise pre-installation inspections and verify circuit breaker readiness.
-Supervise installation and assembly of 132 kV and 330 kV circuit breakers in accordance with approved drawings and OEM instructions.
-Supervise and perform circuit breaker timing, contact resistance and operating mechanism tests using the OMICRON CIBANO 500, CMC 356, CMC 256 plus….; witness insulation and SF6 tests where applicable.
-Supervise functional tests, interlocks, alarms and trip/close sequence verification.
-Verify protection interfaces, SCADA signals and control system integration.
-Record test results and prepare commissioning reports and checklists.
-Support SAT, customer inspections and energization activities.
-Identify defects, manage punch lists and support corrective actions.
-Ensure compliance with Company’s HSE, QA/QC and commissioning procedures.
-Support final handover documentation and as-built records.
-Approved installation, testing and commissioning procedures.
-Engineering drawings and technical documentation.
-Project specifications and contractual documentation.
-installation and commissioning standards
Requirements for Technical Services
Minimum 7 years of experience in HV circuit breaker installation, testing and commissioning.
-Experience with 132 kV and 330 kV AIS/GIS circuit breakers.
-Knowledge of HV circuit breaker mechanisms and applicable testing methods, with proven ability to operate the OMICRON CIBANO 500, CMC 356, CMC 256 plus ….
-Knowledge of IEC standards and OEM procedures; relevant training certificates mandatory.
-English mandatory.
This position is open to ALL nationals
IOTA Group is a global leader in service delivery, redefining international deployment and local integration with over 40 years of expertise.
Based in Switzerland near Geneva, we operate through a network of subsidiaries, ensuring agility and compliance with both local requirements and global standards.
Our network includes over 100,000 consultants worldwide, offering unparalleled expertise to help clients succeed in cross-border projects.
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